ec.h

00001 /* ec.h for openssl */
00002 
00003 #ifndef WOLFSSL_EC_H_
00004 #define WOLFSSL_EC_H_
00005 
00006 #include <wolfssl/openssl/ssl.h>
00007 #include <wolfssl/openssl/bn.h>
00008 
00009 #ifdef __cplusplus
00010 extern "C" {
00011 #endif
00012 
00013 /* Map OpenSSL NID value */
00014 enum {
00015     POINT_CONVERSION_UNCOMPRESSED = 4,
00016     NID_secp111r1 = 0,
00017     NID_secp128r1 = 1,
00018     NID_secp160r1 = 2,
00019     NID_cert192 = 3,
00020     NID_cert224 = 4,
00021     NID_X9_62_prime256v1 = 5,
00022     NID_secp384r1 = 6,
00023     NID_secp521r1 = 7,
00024     NID_X9_62_prime_field = 100,
00025     OPENSSL_EC_NAMED_CURVE  = 0x001
00026 };
00027 
00028 struct WOLFSSL_EC_POINT {
00029     WOLFSSL_BIGNUM *X;
00030     WOLFSSL_BIGNUM *Y;
00031     WOLFSSL_BIGNUM *Z;
00032 
00033     void*          internal;     /* our ECC point */
00034     char           inSet;        /* internal set from external ? */
00035     char           exSet;        /* external set from internal ? */
00036 };
00037 
00038 struct WOLFSSL_EC_GROUP {
00039     int curve_idx; /* index of curve, used by WolfSSL as reference */
00040     int curve_nid; /* NID of curve, used by OpenSSL/OpenSSH as reference */
00041 };
00042 
00043 struct WOLFSSL_EC_KEY {
00044     WOLFSSL_EC_GROUP *group;
00045     WOLFSSL_EC_POINT *pub_key;
00046     WOLFSSL_BIGNUM *priv_key;
00047 
00048     void*          internal;     /* our ECC Key */
00049     char           inSet;        /* internal set from external ? */
00050     char           exSet;        /* external set from internal ? */
00051 };
00052 
00053 WOLFSSL_API
00054 int wolfSSL_ECPoint_i2d(const WOLFSSL_EC_GROUP *curve,
00055                         const WOLFSSL_EC_POINT *p,
00056                         unsigned char *out, unsigned int *len);
00057 WOLFSSL_API
00058 int wolfSSL_ECPoint_d2i(unsigned char *in, unsigned int len,
00059                         const WOLFSSL_EC_GROUP *curve, WOLFSSL_EC_POINT *p);
00060 WOLFSSL_API
00061 int wolfSSL_EC_KEY_LoadDer(WOLFSSL_EC_KEY* key,
00062                            const unsigned char* der, int derSz);
00063 WOLFSSL_API
00064 void wolfSSL_EC_KEY_free(WOLFSSL_EC_KEY *key);
00065 WOLFSSL_API
00066 WOLFSSL_EC_POINT *wolfSSL_EC_KEY_get0_public_key(const WOLFSSL_EC_KEY *key);
00067 WOLFSSL_API
00068 const WOLFSSL_EC_GROUP *wolfSSL_EC_KEY_get0_group(const WOLFSSL_EC_KEY *key);
00069 WOLFSSL_API
00070 int wolfSSL_EC_KEY_set_private_key(WOLFSSL_EC_KEY *key,
00071                                    const WOLFSSL_BIGNUM *priv_key);
00072 WOLFSSL_API
00073 WOLFSSL_BIGNUM *wolfSSL_EC_KEY_get0_private_key(const WOLFSSL_EC_KEY *key);
00074 WOLFSSL_API
00075 WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new_by_curve_name(int nid);
00076 WOLFSSL_API
00077 WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new(void);
00078 WOLFSSL_API
00079 int wolfSSL_EC_KEY_set_group(WOLFSSL_EC_KEY *key, WOLFSSL_EC_GROUP *group);
00080 WOLFSSL_API
00081 int wolfSSL_EC_KEY_generate_key(WOLFSSL_EC_KEY *key);
00082 WOLFSSL_API
00083 void wolfSSL_EC_KEY_set_asn1_flag(WOLFSSL_EC_KEY *key, int asn1_flag);
00084 WOLFSSL_API
00085 int wolfSSL_EC_KEY_set_public_key(WOLFSSL_EC_KEY *key,
00086                                   const WOLFSSL_EC_POINT *pub);
00087 WOLFSSL_API
00088 void wolfSSL_EC_GROUP_set_asn1_flag(WOLFSSL_EC_GROUP *group, int flag);
00089 WOLFSSL_API
00090 WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_new_by_curve_name(int nid);
00091 WOLFSSL_API
00092 int wolfSSL_EC_GROUP_cmp(const WOLFSSL_EC_GROUP *a, const WOLFSSL_EC_GROUP *b,
00093                          WOLFSSL_BN_CTX *ctx);
00094 WOLFSSL_API
00095 int wolfSSL_EC_GROUP_get_curve_name(const WOLFSSL_EC_GROUP *group);
00096 WOLFSSL_API
00097 int wolfSSL_EC_GROUP_get_degree(const WOLFSSL_EC_GROUP *group);
00098 WOLFSSL_API
00099 int wolfSSL_EC_GROUP_get_order(const WOLFSSL_EC_GROUP *group,
00100                                WOLFSSL_BIGNUM *order, WOLFSSL_BN_CTX *ctx);
00101 WOLFSSL_API
00102 void wolfSSL_EC_GROUP_free(WOLFSSL_EC_GROUP *group);
00103 #if defined(DEBUG_WOLFSSL) && !defined(NO_FILESYSTEM)
00104 WOLFSSL_API
00105 void wolfssl_EC_POINT_dump(const char *msg, const WOLFSSL_EC_POINT *p);
00106 #endif
00107 WOLFSSL_API
00108 WOLFSSL_EC_POINT *wolfSSL_EC_POINT_new(const WOLFSSL_EC_GROUP *group);
00109 WOLFSSL_API
00110 int wolfSSL_EC_POINT_get_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
00111                                                 const WOLFSSL_EC_POINT *p,
00112                                                 WOLFSSL_BIGNUM *x,
00113                                                 WOLFSSL_BIGNUM *y,
00114                                                 WOLFSSL_BN_CTX *ctx);
00115 WOLFSSL_API
00116 int wolfSSL_EC_POINT_mul(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r,
00117                          const WOLFSSL_BIGNUM *n,
00118                          const WOLFSSL_EC_POINT *q, const WOLFSSL_BIGNUM *m,
00119                          WOLFSSL_BN_CTX *ctx);
00120 WOLFSSL_API
00121 void wolfSSL_EC_POINT_clear_free(WOLFSSL_EC_POINT *point);
00122 WOLFSSL_API
00123 int wolfSSL_EC_POINT_cmp(const WOLFSSL_EC_GROUP *group,
00124                          const WOLFSSL_EC_POINT *a, const WOLFSSL_EC_POINT *b,
00125                          WOLFSSL_BN_CTX *ctx);
00126 WOLFSSL_API
00127 void wolfSSL_EC_POINT_free(WOLFSSL_EC_POINT *point);
00128 WOLFSSL_API
00129 int wolfSSL_EC_POINT_is_at_infinity(const WOLFSSL_EC_GROUP *group,
00130                                     const WOLFSSL_EC_POINT *a);
00131 
00132 #define EC_KEY_free wolfSSL_EC_KEY_free
00133 #define EC_KEY_get0_public_key wolfSSL_EC_KEY_get0_public_key
00134 #define EC_KEY_get0_group wolfSSL_EC_KEY_get0_group
00135 #define EC_KEY_set_private_key wolfSSL_EC_KEY_set_private_key
00136 #define EC_KEY_get0_private_key wolfSSL_EC_KEY_get0_private_key
00137 #define EC_KEY_new_by_curve_name wolfSSL_EC_KEY_new_by_curve_name
00138 #define EC_KEY_set_group wolfSSL_EC_KEY_set_group
00139 #define EC_KEY_generate_key wolfSSL_EC_KEY_generate_key
00140 #define EC_KEY_set_asn1_flag wolfSSL_EC_KEY_set_asn1_flag
00141 #define EC_KEY_set_public_key wolfSSL_EC_KEY_set_public_key
00142 #define EC_KEY_new wolfSSL_EC_KEY_new
00143 
00144 #define EC_GROUP_set_asn1_flag wolfSSL_EC_GROUP_set_asn1_flag
00145 #define EC_GROUP_new_by_curve_name wolfSSL_EC_GROUP_new_by_curve_name
00146 #define EC_GROUP_cmp wolfSSL_EC_GROUP_cmp
00147 #define EC_GROUP_get_curve_name wolfSSL_EC_GROUP_get_curve_name
00148 #define EC_GROUP_get_degree wolfSSL_EC_GROUP_get_degree
00149 #define EC_GROUP_get_order wolfSSL_EC_GROUP_get_order
00150 #define EC_GROUP_free wolfSSL_EC_GROUP_free
00151 
00152 #define EC_POINT_new wolfSSL_EC_POINT_new
00153 #define EC_POINT_get_affine_coordinates_GFp \
00154             wolfSSL_EC_POINT_get_affine_coordinates_GFp
00155 #define EC_POINT_mul wolfSSL_EC_POINT_mul
00156 #define EC_POINT_clear_free wolfSSL_EC_POINT_clear_free
00157 #define EC_POINT_cmp wolfSSL_EC_POINT_cmp
00158 #define EC_POINT_free wolfSSL_EC_POINT_free
00159 #define EC_POINT_is_at_infinity wolfSSL_EC_POINT_is_at_infinity
00160 
00161 #ifdef __cplusplus
00162 }  /* extern "C" */
00163 #endif
00164 
00165 #endif /* header */
00166